/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id$
 */
package wx.xml.xalan.xpath.compiler;

import java.util.Hashtable;

/**
 * Table of strings to operation code lookups.
 *
 * @xsl.usage internal
 */
public class Keywords {

    /**
     * current function string.
     */
    public static final String FUNC_CURRENT_STRING = "current";
    /**
     * last function string.
     */
    public static final String FUNC_LAST_STRING = "last";
    /**
     * position function string.
     */
    public static final String FUNC_POSITION_STRING = "position";
    /**
     * count function string.
     */
    public static final String FUNC_COUNT_STRING = "count";
    /**
     * key function string (XSLT).
     */
    public static final String FUNC_KEY_STRING = "key";
    /**
     * local-name function string.
     */
    public static final String FUNC_LOCAL_PART_STRING = "local-name";
    /**
     * namespace-uri function string.
     */
    public static final String FUNC_NAMESPACE_STRING = "namespace-uri";
    /**
     * name function string.
     */
    public static final String FUNC_NAME_STRING = "name";
    /**
     * generate-id function string (XSLT).
     */
    public static final String FUNC_GENERATE_ID_STRING = "generate-id";
    /**
     * not function string.
     */
    public static final String FUNC_NOT_STRING = "not";
    /**
     * true function string.
     */
    public static final String FUNC_TRUE_STRING = "true";
    /**
     * false function string.
     */
    public static final String FUNC_FALSE_STRING = "false";
    /**
     * boolean function string.
     */
    public static final String FUNC_BOOLEAN_STRING = "boolean";
    /**
     * lang function string.
     */
    public static final String FUNC_LANG_STRING = "lang";
    /**
     * number function string.
     */
    public static final String FUNC_NUMBER_STRING = "number";
    /**
     * floor function string.
     */
    public static final String FUNC_FLOOR_STRING = "floor";
    /**
     * ceiling function string.
     */
    public static final String FUNC_CEILING_STRING = "ceiling";
    /**
     * round function string.
     */
    public static final String FUNC_ROUND_STRING = "round";
    /**
     * sum function string.
     */
    public static final String FUNC_SUM_STRING = "sum";
    /**
     * string function string.
     */
    public static final String FUNC_STRING_STRING = "string";
    /**
     * starts-with function string.
     */
    public static final String FUNC_STARTS_WITH_STRING = "starts-with";
    /**
     * contains function string.
     */
    public static final String FUNC_CONTAINS_STRING = "contains";
    /**
     * substring-before function string.
     */
    public static final String FUNC_SUBSTRING_BEFORE_STRING =
        "substring-before";
    /**
     * substring-after function string.
     */
    public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after";
    /**
     * normalize-space function string.
     */
    public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space";
    /**
     * translate function string.
     */
    public static final String FUNC_TRANSLATE_STRING = "translate";
    /**
     * concat function string.
     */
    public static final String FUNC_CONCAT_STRING = "concat";
    /**
     * system-property function string.
     */
    public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property";
    /**
     * function-available function string (XSLT).
     */
    public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING =
        "function-available";
    /**
     * element-available function string (XSLT).
     */
    public static final String FUNC_EXT_ELEM_AVAILABLE_STRING =
        "element-available";
    /**
     * substring function string.
     */
    public static final String FUNC_SUBSTRING_STRING = "substring";
    /**
     * string-length function string.
     */
    public static final String FUNC_STRING_LENGTH_STRING = "string-length";
    /**
     * unparsed-entity-uri function string (XSLT).
     */
    public static final String FUNC_UNPARSED_ENTITY_URI_STRING =
        "unparsed-entity-uri";
    /**
     * current function string (Proprietary).
     */
    public static final String FUNC_DOCLOCATION_STRING = "document-location";
    /**
     * id function string.
     */
    static final String FUNC_ID_STRING = "id";
    /**
     * ancestor axes string.
     */
    private static final String FROM_ANCESTORS_STRING = "ancestor";
    /**
     * ancestor-or-self axes string.
     */
    private static final String FROM_ANCESTORS_OR_SELF_STRING =
        "ancestor-or-self";
    /**
     * attribute axes string.
     */
    private static final String FROM_ATTRIBUTES_STRING = "attribute";
    /**
     * child axes string.
     */
    private static final String FROM_CHILDREN_STRING = "child";
    /**
     * descendant-or-self axes string.
     */
    private static final String FROM_DESCENDANTS_STRING = "descendant";
    /**
     * ancestor axes string.
     */
    private static final String FROM_DESCENDANTS_OR_SELF_STRING =
        "descendant-or-self";
    /**
     * following axes string.
     */
    private static final String FROM_FOLLOWING_STRING = "following";
    /**
     * following-sibling axes string.
     */
    private static final String FROM_FOLLOWING_SIBLINGS_STRING =
        "following-sibling";
    /**
     * parent axes string.
     */
    private static final String FROM_PARENT_STRING = "parent";
    /**
     * preceding axes string.
     */
    private static final String FROM_PRECEDING_STRING = "preceding";
    /**
     * preceding-sibling axes string.
     */
    private static final String FROM_PRECEDING_SIBLINGS_STRING =
        "preceding-sibling";
    /**
     * self axes string.
     */
    private static final String FROM_SELF_STRING = "self";
    /**
     * namespace axes string.
     */
    private static final String FROM_NAMESPACE_STRING = "namespace";
    /**
     * self axes abreviated string.
     */
    private static final String FROM_SELF_ABBREVIATED_STRING = ".";
    /**
     * comment node test string.
     */
    private static final String NODETYPE_COMMENT_STRING = "comment";
    /**
     * text node test string.
     */
    private static final String NODETYPE_TEXT_STRING = "text";
    /**
     * processing-instruction node test string.
     */
    private static final String NODETYPE_PI_STRING = "processing-instruction";
    /**
     * Any node test string.
     */
    private static final String NODETYPE_NODE_STRING = "node";
    /**
     * Wildcard element string.
     */
    private static final String NODETYPE_ANYELEMENT_STRING = "*";
    /**
     * Table of keywords to opcode associations.
     */
    private static Hashtable m_keywords = new Hashtable();
    /**
     * Table of axes names to opcode associations.
     */
    private static Hashtable m_axisnames = new Hashtable();
    /**
     * Table of function name to function ID associations.
     */
    private static Hashtable m_nodetests = new Hashtable();

    // Proprietary, built in functions
    /**
     * Table of node type strings to opcode associations.
     */
    private static Hashtable m_nodetypes = new Hashtable();

    static {
        m_axisnames.put(FROM_ANCESTORS_STRING,
            new Integer(OpCodes.FROM_ANCESTORS));
        m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING,
            new Integer(OpCodes.FROM_ANCESTORS_OR_SELF));
        m_axisnames.put(FROM_ATTRIBUTES_STRING,
            new Integer(OpCodes.FROM_ATTRIBUTES));
        m_axisnames.put(FROM_CHILDREN_STRING,
            new Integer(OpCodes.FROM_CHILDREN));
        m_axisnames.put(FROM_DESCENDANTS_STRING,
            new Integer(OpCodes.FROM_DESCENDANTS));
        m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING,
            new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF));
        m_axisnames.put(FROM_FOLLOWING_STRING,
            new Integer(OpCodes.FROM_FOLLOWING));
        m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING,
            new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS));
        m_axisnames.put(FROM_PARENT_STRING,
            new Integer(OpCodes.FROM_PARENT));
        m_axisnames.put(FROM_PRECEDING_STRING,
            new Integer(OpCodes.FROM_PRECEDING));
        m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING,
            new Integer(OpCodes.FROM_PRECEDING_SIBLINGS));
        m_axisnames.put(FROM_SELF_STRING,
            new Integer(OpCodes.FROM_SELF));
        m_axisnames.put(FROM_NAMESPACE_STRING,
            new Integer(OpCodes.FROM_NAMESPACE));
        m_nodetypes.put(NODETYPE_COMMENT_STRING,
            new Integer(OpCodes.NODETYPE_COMMENT));
        m_nodetypes.put(NODETYPE_TEXT_STRING,
            new Integer(OpCodes.NODETYPE_TEXT));
        m_nodetypes.put(NODETYPE_PI_STRING,
            new Integer(OpCodes.NODETYPE_PI));
        m_nodetypes.put(NODETYPE_NODE_STRING,
            new Integer(OpCodes.NODETYPE_NODE));
        m_nodetypes.put(NODETYPE_ANYELEMENT_STRING,
            new Integer(OpCodes.NODETYPE_ANYELEMENT));
        m_keywords.put(FROM_SELF_ABBREVIATED_STRING,
            new Integer(OpCodes.FROM_SELF));
        m_keywords.put(FUNC_ID_STRING,
            new Integer(FunctionTable.FUNC_ID));
        m_keywords.put(FUNC_KEY_STRING,
            new Integer(FunctionTable.FUNC_KEY));

        m_nodetests.put(NODETYPE_COMMENT_STRING,
            new Integer(OpCodes.NODETYPE_COMMENT));
        m_nodetests.put(NODETYPE_TEXT_STRING,
            new Integer(OpCodes.NODETYPE_TEXT));
        m_nodetests.put(NODETYPE_PI_STRING,
            new Integer(OpCodes.NODETYPE_PI));
        m_nodetests.put(NODETYPE_NODE_STRING,
            new Integer(OpCodes.NODETYPE_NODE));
    }

    static Object getAxisName(String key) {
        return m_axisnames.get(key);
    }

    static Object lookupNodeTest(String key) {
        return m_nodetests.get(key);
    }

    static Object getKeyWord(String key) {
        return m_keywords.get(key);
    }

    static Object getNodeType(String key) {
        return m_nodetypes.get(key);
    }
}
